YouTube Surpasses 100 Million U.S. Viewers for the First Time

Americans’ Time Spent Viewing Jumps 15 Percent versus Previous Month

RESTON, VA, March 4, 2009 – Comscore (NASDAQ: SCOR), a leader in measuring the digital world, today released January 2009 data from the Comscore Video Metrix service showing that U.S. Internet users viewed 14.8 billion online videos during the month, representing an increase of 4 percent versus December 2008.YouTube led the growth charge, accounting for 91 percent of the incremental gain in the number of videos viewed versus December, as it surpassed 100 million viewers for the first time.

Google Sites Adds to Lead in Video Market Share

In January, Google Sites once again ranked as the top U.S. video property with 6.4 billion videos viewed (43 percent online video market share), with YouTube.com accounting for more than99 percent of all videos viewed at the property. Fox Interactive Media ranked second with 552 million videos (3.7 percent), followed by Yahoo! Sites with 374 million (2.5 percent) and Viacom Digital with 288 million (1.9 percent). Megavideo climbed 15 percent (103 million videos) in January to capture a spot in the top ten for the first time.

More than 147 million U.S. Internet users watched an average of 101 videos per viewer in January. Google Sites grew to 102 million online video viewers during the month, or more than two out of every three Internet users who watched video. Fox Interactiveranked second with 62.1 million viewers, followed by Yahoo! Sites (41.9 million) and Microsoft Sites (30.0 million).